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. 2019 Jan 14;9:101. doi: 10.1038/s41598-018-36473-2

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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(A) Representative photographies of iris, cornea, and sclera in Doublet-1 group. Neovascularizations of the retina, iris, and choroid were observed in 8 of 13 rats (62%) in the Doublet-1 treated eyes. (a) Iris, (b) Retina and epiretinal neovascular membrane (*), (c) Choroid and sclera (B) Representative photomicrographs of VEGF-immunopositive sclera and epiretinal membrane in the Doublet-1 treated eye. Intense VEGF immunopositive signaling was observed in the sections of sclera, choroidal vessels (arrowhead) and epiretinal neovascular membranes (*) Scale Bar: 20 μm.